| Date | Event |
| 3-Nov-09 | SEI INVESTMENTS CO Files SEC form 10-Q, Quarterly Report |
| 30-Oct-09 | SEI Investments upgraded by Keefe Bruyette |
| 21-Oct-09 | SEI INVESTMENTS CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |
| 21-Oct-09 | SEI Earnings Call scheduled for 2:00 pm ET today |
| 15-Oct-09 | Price hit new 52-week high ($20.41) |
| 14-Oct-09 | Price hit new 52-week high ($20.36) |
| 28-Sep-09 | Price hit new 52-week high ($19.81) |
| 5-Aug-09 | SEI INVESTMENTS CO Files SEC form 10-Q, Quarterly Report |
| 22-Jul-09 | SEI INVESTMENTS CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |
| 22-Jul-09 | SEI Earnings Call scheduled for 2:00 pm ET today |
| 16-Jun-09 | Ex-Date for dividend payment of $0.08 |
| 21-May-09 | SEI INVESTMENTS CO Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 4-May-09 | SEI INVESTMENTS CO Files SEC form 10-Q, Quarterly Report |
| 24-Apr-09 | SEI INVESTMENTS CO Files SEC form 8-K, Results of Operations and Financial Condition, Other Events, Financial Stateme |
| 16-Mar-09 | SEI INVESTMENTS CO Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balanc |
| 9-Mar-09 | Price hit new 52-week low ($9.19) |
| 6-Mar-09 | Price hit new 52-week low ($9.46) |
| 5-Mar-09 | Price hit new 52-week low ($10.47) |
| 25-Feb-09 | SEI INVESTMENTS CO Files SEC form 10-K, Annual Report |
| 18-Feb-09 | SEI INVESTMENTS CO Files SEC form 8-K, Other Events |
| 29-Jan-09 | SEI INVESTMENTS CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |
| 6-Jan-09 | SEI INVESTMENTS CO Files SEC form 8-K, Entry into a Material Definitive Agreement, Material Modification to Rights of |
| 18-Dec-08 | SEI INVESTMENTS CO Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 2-Dec-08 | SEI INVESTMENTS CO Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obl |
| 10-Nov-08 | SEI INVESTMENTS CO Files SEC form 10-Q, Quarterly Report |